[Jukebox-list] 100B selection issue

After further testing this is the pattern. I hope somebody can offer some insight A1,2,3,4 work A5,6,7,8,9,10 do not *B1-10 Work* C1,2,3,4 work 5,6,7,8,9,10 do not *D1,2,3,4,5,6,7,9,10 work* D8 does not E1,2,3,4 work E5,6,7,8,9,10 do not *F1-10 all work* G1,2,3,4 work G5,6,7,8,9,10 do not *H1-10 all work* J1,2,3,4 work j5,6,7,8,9,10 do not *K1-10 work* Regards Rick